hwmon: (nct6775) Remove num_attr_groups from struct nct6775_data
hwmon: (nct6775) Remove num_attr_groups from struct nct6775_data

num_attr_groups is only used in nct6775_probe(), make it to be local variable.

Signed-off-by: Axel Lin <b6ffd6973e972cb999e8e535ab74da7fee0c035f@ingics.com>
Signed-off-by: Guenter Roeck <ba324ca7b1c77fc20bb970d5aff6eea9377918a5@roeck-us.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs